[skip ci]Add some comments in appendix_a_basic_components.md (#11356)

Signed-off-by: ruiyi.jiang <ruiyi.jiang@zilliz.com>
2021-11-06 12:19:31 +08:00 · 2021-11-06 12:19:31 +08:00 · ebcb9c1bfa
parent 496c83612e
commit ebcb9c1bfa
1 changed files with 1 additions and 0 deletions
--- a/docs/developer_guides/appendix_a_basic_components.md
+++ b/docs/developer_guides/appendix_a_basic_components.md
@ -421,6 +421,7 @@ type TxnKV interface {
 ###### A.7.3 MetaKv

 ```go
+// MetaKv is TxnKV for meta data. It should save data with lease.
 type MetaKv interface {
 	TxnKV
 	GetPath(key string) string